Adding wifi setup button

[leotordo]

Hello everybody.
I'm new on Homekit.
I tried HomeSpan examples con a ESP32 board and it work.
I've a question about "Example 15: Real PushButtons".
I built a board with three buttons and all works well.
Is it possible to add another button for launch HomeSpan’s temporary WiFi network and the related procedure?
Thanks
Stefano

[HomeSpan]

Yes, this functionality is already built into HomeSpan and works with any sketch, even those that don't use pushbuttons for HomeKit purposes. See the discussion on the Getting Started for details about adding a HomeSpan Status LED and HomeSpan Control Button, which will, among other functions, allow you to start the temporary WiFi network.

[HomeSpan]

Yes, that's exactly right. You can programmatically run any of the CLI commands this way - sort of an undocumented feature.

[leotordo]

thanks all. I tried on CLI. Perfect.
Ok for code processSerialCommand("A");
Now....how can I implement the if condition on a general GPIO?
Sorry but I'm very poor with this kind of program language
Thanks a lot
Stefano

[leotordo]

Yes, that's exactly right. You can programmatically run any of the CLI commands this way - sort of an undocumented feature.

can I send "A" char from microcontroller UART directly to EPS32?
Thanks
Stefano

[ghost]

I am not sure about UART, but this is basic Arduino stuff and not really related to this library.
You could check it here: https://docs.arduino.cc/built-in-examples/digital/Button and just replace
digitalWrite with processSerialCommand

[leotordo]

I am not sure about UART, but this is basic Arduino stuff and not really related to this library. You could check it here: https://docs.arduino.cc/built-in-examples/digital/Button and just replace digitalWrite with processSerialCommand

thanks for the suggestion. I'll try it first because the UART test needs some track cut on my board...I'll test UART from MCU on next prototype
Regards
Stefano

[leotordo]

I added this instrutions

in setup
pinMode(33, INPUT);

in loop

void loop(){
homeSpan.poll();
if (digitalRead(33) == LOW) {
processSerialCommand("A");
}
} // end of loop()

but compiler give me this error message

C:\Users...\LED_DIM2.ino: In function 'void loop()':
C:\Users...\LED_DIM2.ino:164:5: error: 'processSerialCommand' was not declared in this scope
processSerialCommand("A");
^~~~~~~~~~~~~~~~~~~~
C:\Users...\LED_DIM2.ino:164:5: note: suggested alternative: 'SpanUserCommand'
processSerialCommand("A");
^~~~~~~~~~~~~~~~~~~~
SpanUserCommand
exit status 1
Compilation error: 'processSerialCommand' was not declared in this scope

Did I write wrong code?
Thanks
Stefano

[leotordo]

I added this instrutions

in setup pinMode(33, INPUT);

in loop

void loop(){ homeSpan.poll(); if (digitalRead(33) == LOW) { processSerialCommand("A"); } } // end of loop()

but compiler give me this error message

C:\Users...\LED_DIM2.ino: In function 'void loop()': C:\Users...\LED_DIM2.ino:164:5: error: 'processSerialCommand' was not declared in this scope processSerialCommand("A"); ^~~~~~~~~~~~~~~~~~~~ C:\Users...\LED_DIM2.ino:164:5: note: suggested alternative: 'SpanUserCommand' processSerialCommand("A"); ^~~~~~~~~~~~~~~~~~~~ SpanUserCommand exit status 1 Compilation error: 'processSerialCommand' was not declared in this scope

Did I write wrong code? Thanks Stefano

ok solved

it's homeSpan.processSerialCommand("A");

waiting from HomeSpan Maintainer some infos on direct UART command by external MCU
bye
Stefano